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Satpathy Minati M Department of Surgery, School of Medicine, Emory University, Atlanta, GA, USA, - - 2015
Computed Tomography (CT), Ultrasound (US), and Magnetic Resonance Imaging (MRI) have been the mainstay of clinical imaging regimens for the detection of ovarian cancer. However, without tumor specific contrast enhancement, these imaging modalities lack specificity and sensitivity in the detection of small primary and disseminated tumors in the peritoneal cavity. ...
Jarmusch A K AK Purdue University, West Lafayette, IN, - - 2014
Understanding the role of lipid metabolism in ovarian physiology is crucial for the progression of reproductive biotechnology. The aim in this work was to explore the lipid composition and dynamics of ovarian tissue, specifically the stroma, follicles, and corpora lutea. Desorption electrospray ionization-mass spectrometry (DESI-MS), an ambient ionization technique, was ...
Ceko M J MJ School of Chemistry and Physics, The University of Adelaide, SA 5005, Australia. - - 2014
Correction for 'X-Ray fluorescence imaging and other analyses identify selenium and GPX1 as important in female reproductive function' by M. J. Ceko et al., Metallomics, 2014, DOI: .
Warren Lisa L Department of Biomedical Sciences, Ontario Veterinary College, University of Guelph, 50 Stone Road, Guelph, ON N1G 2W1, - - 2014
This study was conducted to determine if correlations exist between the numbers of microscopic follicles comprising ovarian follicular reserve (OFR) and antral follicle counts (AFCs), and to assess the usefulness of computerized analyses of ovarian ultrasonograms and magnetic resonance (MR) images for estimating OFR in excised porcine, ovine and bovine ...
Wood Charles D CD Department of Mechanical Engineering, Northwestern University, 2145 Sheridan Rd, Evanston, IL - - 2014
For centuries, physicians have relied on touch to palpate tissue and detect abnormalities throughout the body. While this time-tested method has provided a simple diagnostic exam for large, superficial abnormalities, it does not permit quantifiable measurements of stiffness in deeper, small organs. Advances in noninvasive imaging to measure tissue rigidity ...
Kumar H Prasanna HP Department of Instrumentation Engineering, MIT Campus, Anna University, Chennai, Tamilnadu, - - 2014
In recent times there has been a significant change in lifestyle in many parts of the world, with most people experiencing a more sedentary existence combined with an abundance of food. This has resulted in the modern epidemic of obesity and consequent hyperinsulinemia - situations which in women may precipitate ...
Barua Animesh A Rush University Medical - - 2014
Tumor-associated neoangiogenesis (TAN) is an early event in ovarian cancer (OVCA) development. Increased expression of vascular endothelial growth factor receptor 2 (VEGFR2) by TAN vessels presents a potential target for early detection by ultrasound imaging. The goal of this study was to examine the suitability of VEGFR2-targeted ultrasound contrast agents ...
Youngster Michal M Division of Adolescent/Young Adult Medicine, Department of Medicine, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts. Electronic address: - - 2014
To determine the utility of transabdominal pelvic ultrasound in the diagnosis of polycystic ovary syndrome (PCOS) during adolescence. Retrospective case-control study. Academic tertiary care pediatric hospital. A case group of 54 patients (mean age, 15.2 years) with PCOS based on the National Institutes of Health criteria and a comparison group of ...
Zhong Libo - - 2014
The residual aberrations of adaptive optics (AO) images can be removed by the speckle reconstruction method. To achieve accurate photometry, the knowledge of the speckle transfer function (STF) is necessary. In this Letter, a new method is proposed to evaluate the STF for speckle image reconstruction based on the partial ...
Rood Marcus T M MT Interventional Molecular Imaging Laboratory, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands. - - 2014
In this proof-of-concept study, a new activatable imaging agent based on two luminophores and two different quenching mechanisms is reported. Both partial and total activation of the luminescence signal can be achieved, either in solution or in vitro. Bond cleavage makes the compound suitable for luminescence lifetime imaging.
Lozes Francois - - 2014
PDEs and variational methods for image processing on Euclidean domains spaces are very well established because they permit to solve a large range of real computer vision problems. With the recent advent of many 3D sensors, there is a growing interest in transposing and solving PDEs on surfaces and point ...
Yonekura Hiroshi H Department of Anesthesiology and Critical Care, Kobe City Medical Center General Hospital, Kobe, - - 2014
Unroofed coronary sinus (URCS) is a rare cardiac anomaly, in which communication occurs between the coronary sinus (CS) and the left atrium (LA) because of partial or complete absence of the CS roof. A 30-year-old woman was scheduled for surgical closure of atrial septal defect, mitral valve repair and tricuspid ...
Chang Hing-Chiu HC Brain Imaging and Analysis Center, Duke University Medical Center, Durham, North Carolina, - - 2014
We report a series of techniques to reliably eliminate artifacts in interleaved echo-planar imaging (EPI) based diffusion-weighted imaging (DWI). First, we integrate the previously reported multiplexed sensitivity encoding (MUSE) algorithm with a new adaptive Homodyne partial-Fourier reconstruction algorithm, so that images reconstructed from interleaved partial-Fourier DWI data are free from ...
Rodrigo José A - - 2014
Partially coherent light provides promising advantages for imaging applications. In contrast to its completely coherent counterpart, it prevents image degradation due to speckle noise and decreases cross-talk among the imaged objects. These facts make attractive the partially coherent illumination for accurate quantitative imaging in microscopy. In this work, we present ...
Guerrero-Juarez Christian Fernando CF Department of Developmental and Cell Biology, Sue and Bill Gross Stem Cell Research Center, University of California, Irvine, California, - - 2014
Cutting-edge imaging technologies and new luminescent and fluorescent genetic tools now make it possible to study hair regeneration in vivo in real time at the microscopic single-cell level and at the macroscopic level of hair follicle populations. These technologies also allow for noninvasive assessment of the skin's clinically relevant homeostatic ...
Delibasis Konstantinos - - 2014
In this work we present a novel formula of the bivariate Hermite interpolating (BHI) polynomial in the case of support points arranged on a grid with variable step. This expression is applicable when interpolation of a bivariate function is required, given its value and the values of its partial derivatives ...
- - 2014
Special issue: Biochemical and molecular engineering, edited by George Chen and Brian Pfleger. Cover image displaying an abstract colorful DNA molecule design from Fotolia.com © burak çakmak.
Jung Kwan-Jin KJ Research MRI Facility, Department of Radiology, University of Louisville, KY, USA. Electronic address: - - 2014
To remove the partial volume averaging effect of free water in MR diffusion imaging of neural tissues by use of the fluid attenuated inversion recovery (FLAIR) without the penalty of an extended scan time. The magnetic resonance images were obtained from a normal volunteer in a coronal slice orientation at ...
Kudo Hiroki H Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, - - 2014
Although laparoscopic hepatectomy has increasingly been used to treat cancers in the liver, the accuracy of intraoperative diagnosis may be inferior to that of open surgery because the ability to visualize and palpate the liver surface during laparoscopy is relatively limited. Fluorescence imaging has the potential to provide a simple ...
Ohshima Shunsuke S IT Business Solution Headquarters, Fujifilm Medical Co., Ltd, Fujifilm Nishiazabu Building, 26-30 Nishiazabu 2-Chome, Minato-ku, Tokyo, 106-0031, Japan. - - 2014
In recent years, there has been an active movement to ensure the greater safety of actual surgeries, by simulating it preoperatively with the use of three-dimensional image visualization technologies. Along with this movement, the Ministry of Health, Labour and Welfare has named "Image-supported navigation in hepatectomy" as part of advanced ...
Marathe Shashidhara S Advanced Photon Source, Argonne National Laboratory, 9700 S. Cass Ave., Argonne, Illinois 60439, - - 2014
Grating-based X-ray and neutron interferometry tomography using phase-stepping methods generates large data sets. An improved algorithm is presented for solving for the parameters to calculate transmissions, differential phase contrast, and dark-field images. The method takes advantage of the vectorization inherent in high-level languages such as Mathematica and MATLAB and can ...
Li Yaoran Y Department of Educational, School, and Counseling Psychology, University of Missouri, Columbia, Missouri, United States of - - 2014
Women's preferences for men's masculinized faces and voices were assessed after women (n?=?331) were primed with images of male-on-male aggression, male-on-female aggression, pathogens, and neutral scenes. Male-on-male aggression and pathogen primes were associated with increased preference for masculine traits, but the same effect emerged in the neutral condition. We show ...
Khanian Maryam M Department of Mathematics, Khorasgan (Isfahan) Branch, Islamic Azad University, Isfahan, - - 2014
Improving the quality of medical images at pre- and post-surgery operations are necessary for beginning and speeding up the recovery process. Partial differential equations-based models have become a powerful and well-known tool in different areas of image processing such as denoising, multiscale image analysis, edge detection and other fields of ...
Germain T T Département de radiologie diagnostique et interventionnelle, unité digestif, thoracique et oncologique, CHU Dijon, 14, rue Paul-Gaffarel, BP 77908, 21079 Dijon cedex, France. Electronic address: - - 2013
The liver segmentation system, described by Couinaud, is based on the identification of the three hepatic veins and the plane passing by the portal vein bifurcation. Nowadays, Couinaud's description is the most widely used classification since it is better suited for surgery and more accurate for the localisation and monitoring ...
Chen Chen-Hui CH Department of Cell Biology and Howard Hughes Medical Institute, Duke University Medical Center, Durham, NC 27710, - - 2013
The zebrafish has become a standard model system for stem cell and tissue regeneration research, based on powerful genetics, high tissue regenerative capacity and low maintenance costs. Yet, these studies can be challenged by current limitations of tissue visualization techniques in adult animals. Here we describe new imaging methodology and ...
Son Jung-Young - - 2013
The image space of the reconstructed image from the hologram displayed on a digital micromirror device (DMD) is defined by the diffraction pattern induced by the 2D pixel pattern of the DMD, which works as a 2D blazed grating. Within this space, a reconstructed image of 100  mm×20  mm is spatially multiplexed ...
Kimoto Koji - - 2013
We evaluate the temporal partial coherence of transmission electron microscopy (TEM) using the three-dimensional (3D) Fourier transform (FT) of through-focus images. Young's fringe method often indicates the unexpected high-frequency information due to non-linear imaging terms. We have already used the 3D FT of axial (non-tilted) through-focus images to reduce the ...
Roura Santiago - - 2013
Advances in bioanalytical techniques have become crucial for both basic research and medical practice. One example, bioluminescence imaging (BLI), is based on the application of natural reactants with light-emitting capabilities (photoproteins and luciferases) isolated from a widespread group of organisms. The main challenges in cardiac regeneration remain unresolved, but a ...
Riordan A J - - 2013
BACKGROUND AND PURPOSE:In CTP, an arterial input function is used for cerebral blood volume measurement. AIFs are often influenced by partial volume effects resulting in overestimated CBV. A venous output function is manually selected to correct for partial volume. This can introduce variability. Our goal was to develop a CTP ...
Waller Laura - - 2013
We demonstrate quantitative nonlinear recovery of images that have been hidden by the addition of partially coherent light. The method assumes a simple model for spatial nonlinearity that allows direct Laplacian inversion based on intensity transport.
Ohliger Michael A MA Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA 94143, USA. - - 2013
To implement and evaluate combined parallel magnetic resonance imaging (MRI) and partial Fourier acquisition and reconstruction for rapid hyperpolarized carbon-13 ((13) C) spectroscopic imaging. Short acquisition times mitigate hyperpolarized signal losses that occur due to T1 decay, metabolism, and radiofrequency (RF) saturation. Human applications additionally require rapid imaging to permit ...
Duval Michèle G - - 2013
Longitudinal observation of retinal degeneration and regeneration in animal models is time-consuming and expensive. To address this challenge, we used a custom fundus lens and zebrafish transgenic lines with cell-specific fluorescent reporters to document the state of individual retinal neurons in vivo. We empirically tested several versions of a custom ...
Pinto-Teixeira Filipe F Centre for Genomic Regulation (CRG) Barcelona, Spain ; Universitat Pompeu Fabra (UPF) Barcelona, - - 2013
Direct videomicroscopic visualization of organ formation and regeneration in toto is a powerful strategy to study cellular processes that often cannot be replicated in vitro. Intravital imaging aims at quantifying changes in tissue architecture or subcellular organization over time during organ development, regeneration or degeneration. A general feature of this ...
Yamazoe Kenji - - 2012
This paper discusses the physical difference between two image formation approaches for partially coherent imaging. In one approach, the pupil function is shifted according to illumination condition as in the transmission cross coefficient (TCC) approach, whereas in the other approach, the object spectrum is shifted. Although the two approaches result ...
Erlandsson Kjell - - 2012
Accurate quantification in PET and SPECT requires correction for a number of physical factors, such as photon attenuation, Compton scattering and random coincidences (in PET). Another factor affecting quantification is the limited spatial resolution. While considerable effort has gone into development of routine correction techniques for the former factors, less ...
Kumar S - - 2012
A 58-year-old man presented to the emergency department with sudden pain and odynophagia after drinking water. The patient thought that part of his lower denture may have fallen into his throat. There was moderate tenderness over the lower anterior neck. Radiographs of the neck were normal. Computed tomography showed an ...
Wipfler Benjamin - - 2012
Cover illustration. The cover image shows the head of a larval Protanyderus spec., a representative of the ancestral dipteran Tanyderidae. The image is a sagittally sectioned reconstruction with foregut, muscles and brain. In this study by Wipfler et al. (pp. 968-980) a detailed documentation of the head structures using innovative ...
Chen Ying - - 2012
For studies of vertebrate limb regeneration it is often desirable to visualize the regenerated skeleton, which is mostly cartilage, and also section the specimen for histological or immunohistochemical visualization of other tissues. However, the normal skeletal staining techniques are incompatible with immunohistochemistry. Here, we describe a contrast-based micro-computed tomography (microCT) ...
Abdel Razek A A K AA Department of Diagnostic Radiology, Mansoura Faculty of Medicine, Egypt. - - 2012
We review the appearance of scleroma in the head and neck on imaging. Scleroma is a chronic granulomatous disease that primarily affects the nasal cavity, but the pharynx and larynx may also be involved. On imaging, nasal scleroma appears as bilateral or unilateral expanded homogeneous nasal masses that may exhibit ...
Fujii Hirotada G - - 2012
Increased reactive oxygen species (ROS) contribute to numerous brain disorders, and ROS generation has been examined in diverse experimental models of lipopolysaccharide (LPS)-induced inflammation. The in vivo electron paramagnetic resonance (EPR)/nitroxide spin probe method has been used to analyze the redox status in animal models modulated by ROS generation. In ...
Lee Young Kyoung - - 2012
The attachment of specific ligands to the surfaces of nanoparticles is important for medical and biologic imaging. However, covalent modification of nanoparticles has inherent problems in reproducibility because of many factors such as temperature, pH, concentration, and reaction time. Thus, we developed a method for modifying nanoparticles by encapsulation with ...
Guenoun B - - 2012
Several clinical and radiological techniques have been described to assess lower limb length and angle measurements. None of them has yet met the ideal criteria for a reliable, reproducible, safe, and inexpensive system. In this context, a new biplanar X-ray system (EOS™, EOS imaging, Paris, France) makes it possible to ...
Udani Ankeet D - - 2012
A head-mounted display provides continuous real-time imaging within the practitioner's visual field. We evaluated the feasibility of using head-mounted display technology to improve ergonomics in ultrasound-guided regional anesthesia in a simulated environment. Two anesthesiologists performed an equal number of ultrasound-guided popliteal-sciatic nerve blocks using the head-mounted display on a porcine ...
Fiorino Claudio - - 2012
PURPOSE: Measuring parotid density changes in patients treated with IMRT for head-neck cancer (HNC) and assessing correlation with treatment-related parameters. PATIENTS AND MATERIALS: Data of 84 patients treated with IMRT for different HNC were pooled from three institutions. Parotid deformation and average Hounsfield number changes (ΔHU) were evaluated through MVCT ...
King Emma - - 2012
BACKGROUND: Intraoperative 3-dimensional (3D) imaging in head and neck surgery was developed using a prototype mobile C-arm for cone-beam CT (CBCT). This article summarizes its implementation in a prospective pilot and feasibility study. METHODS: The CBCT C-arm was used in 12 head and neck surgical oncology cases. Human-factors engineering methods ...
Shin Dong Sun - - 2012
ABSTRACT: The sectioned images and surface models of a cadaver head in the Visible Korean Project would be more beneficial if they were accessible and informative. To this aim, 3 policies were established: (1) the data are promptly obtainable and observable; (2) the graphic data are accompanied by explaining the ...
Mo Weirong - - 2012
We report the tomographic imaging of a photodynamic therapy (PDT) photosensitizer, 2-(1-hexyloxyethyl)-2-devinyl pyropheophorbide-a (HPPH) in vivo with time-domain fluorescence diffuse optical tomography (TD-FDOT). Simultaneous reconstruction of fluorescence yield and lifetime of HPPH was performed before and after PDT. The methodology was validated in phantom experiments, and depth-resolved in vivo imaging ...
Bergholt Mads Sylvest - - 2012
We report for the first time the implementation of transnasal, image-guided Raman endoscopy to directly assess Raman spectral properties of nasopharyngeal and laryngeal tissue in vivo during clinical endoscopic examinations. A rapid 785-nm excitation Raman endoscopy system, coupled with a miniaturized fiber-optic Raman probe, was utilized for real-time, in vivo ...
Grégoire Vincent V Department of Radiation Oncology, Université Catholique de Louvain, Cliniques Universitaires Saint-Luc, Brussels, Belgium. - - 2012
Intensity-modulated radiation therapy (IMRT) is a conformal irradiation technique that enables steep dose gradients. In head and neck tumours this approach spares parotid-gland function without compromise to treatment efficacy. Anatomical and molecular imaging modalities may be used to tailor treatment by enabling proper selection and delineation of target volumes and ...
Heath C Hope - - 2012
Fluorescence imaging hardware (SPY) has recently been developed for intraoperative assessment of blood flow via detection of probes emitting in the near-infrared (NIR) spectrum. This study sought to determine if this imaging system was capable of detecting micrometastatic head and neck squamous cell carcinoma (HNSCC) in preclinical models. A NIR ...
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